Journal
FUEL PROCESSING TECHNOLOGY
Volume 155, Issue -, Pages 2-19Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fuproc.2016.08.020
Keywords
Bio-oil; Esterification; Acid treatment; Reaction network; Review
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Bio-oil is a condensable liquid produced from the pyrolysis of biomass, which can be upgraded to biofuels. Bio-oil is corrosive as it contains significant amounts of carboxylic acids, creating difficulties in handling of bio-oil and applications of bio-oil. Acid-treatment of bio-oil in alcohols is an upgrading method to transform the carboxylic acids in bio-oil into neutral esters. This study reviewed the recent progress in the research about the acid-catalyzed conversion of bio-oil in alcohols. The various catalytic processes for the add treatment of bio-oil and the reaction network of some individual components of bio-oil during the upgrading were focused. The interactions among the main components of bio-oil during the acid-treatments were also discussed. (C) 2016 Elsevier B.V. All rights reserved.
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